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OpenMP* Threading for FFT Computation

 Dear Sir/Madam,As I understood from an example on https://software.intel.com/en-us/mkl-developer-reference-c-examples-of-u..., you calculate with 4 threads 4 different 2D-FFT (50x100 points). My...

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correct paths for mkl pardiso dll to install ipopt on windows using bash

Hi, can someone tell me what path should exist to the dlls at configure time to use the ia32 version of pardiso on windows.I am trying to build ipopt using a bash shell but using the Microsoft C++...

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Problem with Fortran version Cluster FFT Compiling

Hi all,I get serve DftiCreateDescriptorDM initialization error in fortran version Cluster FFT functions (while I have no problem with c version compiling with similar code), could someone help me find...

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Problem compiling Fortran code with MKL

Hi all,I'm trying to replace my own LU decomposition code with the fortran subroutine gbtrf from MKL. Please bear with me as I am somewhat new to Fortran.I successfully compiled, run and validated the...

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Inaccurate results while using PARDISO

Hello, I am trying to utilize the PARDISO sparse matrix solver to test out a solution with my sparse matrix. The goal of this experiment was to see if I can replicate the same solution that I had while...

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IMSL Library not included in INTEL PARALLEL STUDIO XE COMPOSER for WINDOWS 2018

Hi , IMSL library is not included in Intel studio XE 2018 for windows . I have used IMSL functions in my earlier code. How Can I build that program in the  parallel studio 2018 without IMSL library....

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pardiso with parallel MKL and TBB on large systems

Hi,I'm solving a large sparse system with pardiso. I'm using the Parallel MKL library with TBB enabled on Windows 64bit system. My A matrix is 57k x 57k and my right hand side B matrix is 57k x...

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MKL LLC usage policy

Hello, experts,Assume that I have 4 cores machine, each core has 2MB of LLC slice and LLC includes L2. 1) If I use single-threaded MKL, the MKL instance will use 2MB of LLC or use 8MB LLC?2) If I use...

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Problem of cblas_zgemmt

I would like to use cblas_zgemmt() to calculate C=C-A*B. The final C is symmetrical.The input matrices is verified by cblas_zgemm() and the result is correct. However, the output C is unchanged when...

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Using Armadillo with MKL - Beginner

Hi all. I had a few questions regarding the usage of the Armadillo library with MKL. Apologies in advance if this is not the right place for them. I'm currently on Ubuntu 16.04, using gcc 5.4.0. When...

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In my program, a thread is stop at the intel mkl API DftiComputeForward...

In my program, a thread is stop at the intel mkl API DftiComputeForward randomly, Please give me a mind to solve the problem

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[Help] Example works with extention .c but fails with .cpp

Hi,I have a big (n~100,000) complex matrix which I would like to diagonlize.After googling extensively, I found the following link provides excellent...

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[help]Data type in zheev.c example.

Hi,In the example ofhttps://software.intel.com/sites/products/documentation/doclib/mkl_sa/11...The to-be-diagonalized matrix is declared to be a dcomplex type(struct _dcomplex { double re, im; };...

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Calling Fortran Blas routine from C

Hello,I am trying to call Fortran subroutine that calls zdotu from C.I am using linking flags from Advisor https://software.intel.com/en-us/articles/intel-mkl-link-line-advisor/These linking flags for...

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Failure of DGESVXX

Hi all, I want to report a problem with DGESVXX. When I compile my program that uses this routine with the option "initialize stack variables to an unusual value" it fails when run with this message:...

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Question about mkl_?csrgemv

Hi, when I read reference manual of mkl, the mkl_?csrgemv routine calculates y=Ax (or y=A'x) where A is m-by-m matrix in 3-array CSR format.However, when I tested, I figured out that this routine also...

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getrf hangs when using intel threads in calling application

I am calling getrf from one thread in my application, the other threads are waiting at a taskwait. Task manager looks like all threads are maxed out and getrf never returns.The  matrix size is quite...

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Possible Heap Corruption after calling DftiCreateDescriptor

Hello,Our application crashes some time after calling DftiCreateDescriptor; we believe because the heap has become corrupt. If we delete the call, the application no longer crashes, or if we reduce the...

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Memory usage during solve in function of number of cores

During the solve step of Pardiso of the system A*X=B where B is multiple right-hand-side we see that the memory consumed by Pardiso is highly dependent on the number of cores.  So we observe mem(total)...

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Sparse Matrix Multiplication Failed

Hello,I am trying to develop a function that multiplies matrix A and B which are in general format but sparse in nature. These matrices contain complex numbers. My issue is, when I do not use the...

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